They claimed the issues were caused by an influx of new members, to me that more than suggest's their servers could not cope, this also appears to be the case when Live tended to break when the USA woke up, ie more members online than it could handle (same as last year), now what reasons do you have to think it was not an issue like this? Has Live been hacked? or been subjected to a DOS attack on a constant basis? I think not.
I doubt a couple of servers would do much TBH, as I said looks like they did nothing, other than say sorry have a free game. But again if you are happy to go without something you are paying for then great for you